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Pollen History

GET /pollen/station/:code/history

Historical pollen data for a station with date range. Up to 5 years of hourly sensor data. Supports daily aggregation for longer ranges. Useful for seasonal pattern analysis, year-over-year allergy trend comparisons, and research into pollen season timing shifts.

Parameters

code required

Station code (e.g. PZH, PBE)

start_date optional

Start date YYYY-MM-DD (default: 7 days ago)

end_date optional

End date YYYY-MM-DD (default: today)

resolution optional

hourly or daily (default: hourly)

Example Requests

Basic usage
curl "https://nordapi.ee/api/v1/pollen/station/PZH/history?start_date=2026-04-01&end_date=2026-04-10"
Last week in Zürich (hourly)
curl "https://nordapi.ee/api/v1/pollen/station/PZH/history?start_date=2026-04-03&end_date=2026-04-10"
April daily averages in Bern
curl "https://nordapi.ee/api/v1/pollen/station/PBE/history?start_date=2026-04-01&end_date=2026-04-30&resolution=daily"
Birch season comparison (spring 2025 vs 2026)
curl "https://nordapi.ee/api/v1/pollen/station/PZH/history?start_date=2025-03-01&end_date=2025-05-31&resolution=daily"

Live Response 

{
  "count": 0,
  "data": [],
  "end_date": "2026-04-10",
  "resolution": "hourly",
  "source": "MeteoSwiss",
  "start_date": "2026-04-01",
  "station": "PZH",
  "success": true
}
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